make notification errors go away automatically

src/views/IdentitySwitcherView.vue

@@ -144,7 +144,7 @@ export default class IdentitySwitcherView extends Vue {
           title: "Error Loading Accounts",
           text: "Clear your cache and start over (after data backup).",
         },
-        -1,
+        5000,
       );
       console.error("Telling user to clear cache at page create because:", err);
     }